List of top Chemistry Questions

A hypothetical electrochemical cell is shown below 
\(A|A+ (xM)|| B+ (yM)| B \)
The emf measured is +0.20 V. The cell reaction is:

If E°_Fe²⁺/Fe = -0.441 V and E°_{Fe³⁺/Fe²⁺} = 0.771 V, the standard emf of the reaction: Fe + 2Fe³⁺ \(→\) 3Fe²⁺ will be:

During osmosis, flow of water through a semi-permeable membrane is :

1.00 g of a non-electrolyte solute (molar mass 250 g mol^-1) was dissolved in 51.2 g of benzene. If the freezing point depression constant, K_f of benzene is 5.12 K kg mol^-1, the freezing point of benzene will be lowered by:

Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields:

A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of α-hydroxy acid. The carbonyl compound is:

Nucleophilic addition reaction will be most favoured in:

A plot of \(log\ \frac {x}{m}\) versus \(log \ p\) for the adsorption of a gas on a solid gives a straight line with slope equal to:

The major organic product in the reaction, CH₃ – O – CH(CH₃)₂ + HI \(→\) Product is:

What amount of bromine will be required to convert 2 g of phenol into 2,4,6-tribromo phenol ?

Methyl bromide is converted into ethane by heating it in ether medium with

The molar volume of $CO_2$ is maximum at:

How many asymmetric carbon atoms are present in : (i) $1,2$-dimethylcyclohexane, (ii) $3$-methylcyclopentene and (iii) $3$-methylcyclohexene ?

In $2 HI \rightleftharpoons H _{2}+ I _{2}$ , the forward reaction is not affected by change in :

Which one of the following product is formed when calcium salt of adipic acid is heated ?

The probability of finding the electron in the orbital is :

The crystal field splitting energy for octahedral $(\Delta_0)$ and tetrahedral $(\Delta_{t})$ complexes is related to :

When glucose reacts with bromine water the main product is :

Nylon-$66$ is an example of:

Which of the following species has a bond order other than $3$ ?

\(SO_2\) does not acts as :

Which of the following is called Berthelot�s salt ?

In the reaction $CH_3CN + 2H \xrightarrow [SnCl_2] {HCl}X \xrightarrow {\text{boiling} \, H_2 O} Y, $ The term $Y$ is :

The number of waves in an orbit are :